
let numbers = [] ;

console.log( numbers.toString() );

for( let i = 900 ; i < 1000 ; i+=10 ){
    numbers.push( i );
}

console.log( numbers.toString() );

let 瞎拍 = function( a , b ){
    // 根本就没拿a、b比较
    return Math.random() - 0.5 ;
}

numbers.sort( 瞎拍 );

console.log( numbers.toString() );
